html,body{
    width: 100%;
    height: 100%;
}
*{
    margin: 0;
    padding: 0;
}
body{
    display: flex;
    flex-direction: column;
}
main{
    flex:1;
    overflow: scroll;
    #head{
        display: flex; 
        justify-content: space-around;
        align-items: center;
        width: 90%;
        margin: auto;
        height: 44px;
        margin-top: 10px;
        border-bottom: 3px solid #ccc;
      
       div{
    
        width: 84px;
         height: 44px;
         color: #ccc;
        font-size: 20px;
        text-align: center;
        line-height: 35px;
        font-family: PingFangSC-bold;
        // border-bottom: 3px solid rgba(66, 148, 255, 100);
        padding-bottom: 5px;
        }
       
    }
    #count{
        width: 90%;
        height: 90px;
        margin: auto;
        margin-top: 20px;
        // background: #f60;
        .text{
            width: 133px;
            height: 22px;
            color: rgba(51, 51, 51, 100);
            font-size: 16px;
            text-align: left;
            font-family: PingFangSC-regular;
        }
        .countnum{
            width: 100%;
            height: 64px;
            color: rgba(66, 148, 255, 100);
            font-size: 48px;
            text-align: left;
            font-family: PingFangSC-bold;
            .gongli{
                width: 32px;
                height: 22px;
                color: rgba(51, 51, 51, 100);
                font-size: 16px;
            }
        }
    }
    #run{
        position: relative;
        width: 100%;
        height: 485px;
        
       background: url(../../assets/imgs/index-swiper-bg2.jpg) no-repeat;
       background-size: cover;
        .go{
            position: relative;
            position: absolute;
            top: 50%;
            left: 50%;
            margin-top: -95.5px;
            margin-left: -95.5px;
            width: 191px;
            height: 191px;
            border-radius: 50%;
            background:rgba(66, 148, 255,.61);
            .GO{
                position: absolute;
                left: 50%;
                top: 50%;
                margin-left: -72px;
                margin-top: -53px;
                width: 134px;
                height: 106px;   
                font-size: 90px; 
                font-family: SourceHanSansSC-bold;
                text-align: center;
                line-height:106px;
                color: rgba(21, 146, 204);
            }
        }
    }
}  
.countdown{
    position: absolute;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    width: 100%;
    height: 100%;
    background: blue; 
    color: rgba(255, 255, 255, 100);
    font-size: 120px;
    text-align: left;
    font-family: PingFangSC-bold;

}
   




footer{
    display: flex;
    justify-content: space-between;
    align-content: center;
    width: 100%;
    height: 77px;
    .icon{
        width: 20%;
        text-align: center;
    }
    .iconfont{
        font-size: 30px;
    }
    div{
        font-size: 16px;
        a{
            color: #000;
        }
    }
}

.show{
    display: block
  }

.colors{
    border-bottom: 3px solid rgba(66, 148, 255, 100);
    color: skyblue !important;
    font-weight: bold;
 } 
 